mikeash / maasyncio Goto Github PK
View Code? Open in Web Editor NEWGCD-based async IO
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Closing a writer at the end of writing is hard
If you're writing and want to invalidate the writer at the end of writing, you have to do something like this:
[writer setDidWriteCallback:^{ if ([writer bufferSize] == 0) [writer invalidate]; }];
And worse, you have to do it before the final write. This is silly. It would be better to have a dedicated call that can be made to invalidate the writer only when it's drained, or something of that nature.
Reading from Serial Ports
Hi,
I'm trying to use MAAsyncIO to read from a serial port. I can get a file descriptor for the port using the open() function and then use an instance of MAAsyncReader to run code whenever there is data to be read.
Unfortunately the callback is only fired once when the first lot of data arrives to the serial port. The callback is not fired again even if more data arrives to the serial port.
I suspect this is a problem with the way the serial ports are handled within the operating system.
Kind Regards
Daniel Pink.
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